Create/test deterministic match rules for round one of data matching

[edwardchalstrey1]

• [x] Create markdown with match rule ideas for the datasets
• [x] Research how to do record matching with Postgresql
• [x] Create table that shows systematically, how many osm rows there are, how many matched, of which how many had repd_id. Maybe try a few different distances
• [x] Rename geom to location